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Issue 1, 2001
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Towards artificial photosynthesis: ruthenium–manganese chemistry for energy production

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The synthesis and characterisation of supramolecular model systems mimicking the light reactions on the donor side of Photosystem II (PSII) in green plants have been reviewed. In these systems, manganese complexes and tyrosine are electron donors, modelling the manganese cluster and tyrosineZ in PSII. The donors have been covalently linked to a photosensitizer, a ruthenium(II) tris-bipyridyl complex, that plays the role of the P680 chlorophylls in PSII. It has been demonstrated that, in the presence of an external electron acceptor in solution, the model systems can undergo an intermolecular electron transfer from the photoexcited state of RuII to an acceptor, followed by an intramolecular electron transfer from the coordinated Mn complexes or the tyrosine unit to the photogenerated RuIII. This leads to regeneration of the RuII and oxidation of the Mn complexes or generation of a tyrosine radical. The process closely mimics the primary reaction steps on the donor side of PSII.

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Publication details

The article was received on 10 Jan 2000 and first published on 28 Nov 2000

Article type: Review Article
DOI: 10.1039/A801490F
Chem. Soc. Rev., 2001,30, 36-49

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    Towards artificial photosynthesis: ruthenium–manganese chemistry for energy production

    L. Sun, L. Hammarström, B. Åkermark and S. Styring, Chem. Soc. Rev., 2001, 30, 36
    DOI: 10.1039/A801490F

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